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-rw-r--r--vendor/compiler_builtins/libm/src/math/atanh.rs1
1 files changed, 1 insertions, 0 deletions
diff --git a/vendor/compiler_builtins/libm/src/math/atanh.rs b/vendor/compiler_builtins/libm/src/math/atanh.rs
index 79a989c42..b984c4ac6 100644
--- a/vendor/compiler_builtins/libm/src/math/atanh.rs
+++ b/vendor/compiler_builtins/libm/src/math/atanh.rs
@@ -5,6 +5,7 @@ use super::log1p;
///
/// Calculates the inverse hyperbolic tangent of `x`.
/// Is defined as `log((1+x)/(1-x))/2 = log1p(2x/(1-x))/2`.
+#[cfg_attr(all(test, assert_no_panic), no_panic::no_panic)]
pub fn atanh(x: f64) -> f64 {
let u = x.to_bits();
let e = ((u >> 52) as usize) & 0x7ff;